:root{--paper:#f5f2ea;--cream:#ebe6d9;--ink:#304b3a;--muted:#59695c;--line:#d9ddcf;--sage:#dce4d5;--white:#fffef9;--serif:Georgia,'Times New Roman',serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;line-height:1.7}a{color:inherit}button,input,select,textarea{font:inherit}img{display:block;max-width:100%;height:auto}a,button,summary,input,select,textarea{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #977433;outline-offset:5px}.wrap{width:min(1120px,calc(100% - 64px));margin:auto}.skip{position:absolute;top:-100px;z-index:99}.skip:focus{top:10px;background:white;padding:10px}.topbar{position:sticky;top:0;z-index:20;background:rgba(245,242,234,.97);border-bottom:1px solid 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.hub-cover{background:linear-gradient(120deg,#e3ebdc 0%,#eff0e5 65%,#f5f2ea 100%);border-bottom:1px solid var(--line)}.hub-hero{display:grid;grid-template-columns:1.02fr 1fr;gap:64px;align-items:center;padding:50px 0}.hub-intro h1{font-size:clamp(38px,4.2vw,55px);line-height:1.22;margin-bottom:20px}.hub-intro .sub{font-size:15px;line-height:1.85}.hub-intro .actions{margin-top:23px}.hub-quick{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:38px}.hub-quick a{border-top:1px solid #9cac94;padding:13px 0;text-decoration:none}.hub-quick span{display:block;font-size:10px;color:var(--muted);margin-bottom:7px}.hub-quick strong{font-size:12px;font-weight:600}.hub-quick a:hover strong{text-decoration:underline;text-underline-offset:5px}.daily-card{padding:28px 30px;background:var(--white);border:1px solid #c9d2bf;border-radius:5px;box-shadow:0 10px 30px #304b3a08}.daily-heading{display:flex;justify-content:space-between;gap:10px}.daily-heading .eyebrow{font-size:9px;letter-spacing:.11em;margin-bottom:15px}.daily-heading .tag{font-size:9px;white-space:nowrap}.daily-card h2{font-size:24px;margin-bottom:5px}.daily-meta{font-size:10px;color:var(--muted);margin-bottom:22px}.daily-prompt{font-size:16px;line-height:1.6;font-weight:550;margin:0 0 17px}.daily-choices{display:grid;gap:8px}.daily-choices button{text-align:left;padding:10px 12px;line-height:1.5;border:1px solid #d7ddcf;background:var(--paper);color:var(--ink);border-radius:3px;font-size:12px;cursor:pointer}.daily-choices button:hover:not(:disabled){border-color:var(--ink);background:var(--sage)}.daily-choices button:disabled{cursor:default;opacity:1}.daily-choices .is-correct{background:#e0ecdb;border-color:#57744f;font-weight:650}.daily-choices .is-selected-wrong{background:#f2e8df;border-color:#ad896c}.daily-feedback{font-size:12px;padding:13px;background:var(--sage);margin:15px 0 0}.daily-bottom{display:flex;justify-content:space-between;gap:15px;margin-top:21px;padding-top:15px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.daily-bottom a{white-space:nowrap;text-underline-offset:4px}.hub-path{padding:35px 0 40px;border-bottom:1px solid var(--line)}.hub-path-top{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:20px}.hub-path-top .eyebrow{font-size:9px;margin-bottom:8px}.hub-path h2{font-size:25px;margin:0}.hub-path-top>p{font-size:11px;color:var(--muted);margin:0}.stage-options{display:flex;flex-wrap:wrap;gap:8px}.stage-options button{font-size:12px;border:1px solid #b8c5b1;background:transparent;border-radius:30px;padding:9px 18px;color:var(--ink);cursor:pointer}.stage-options button[aria-pressed=true]{background:var(--ink);color:var(--white);border-color:var(--ink)}.stage-recommendation{display:flex;justify-content:space-between;gap:24px;align-items:center;background:#ebeede;padding:20px 24px;margin-top:15px}.stage-recommendation strong{font-size:15px;font-weight:600}.stage-recommendation p{font-size:12px;color:var(--muted);margin:6px 0 0}.stage-recommendation .btn{white-space:nowrap;font-size:12px}.hub-memory{display:flex;flex-wrap:wrap;align-items:center;gap:6px 15px;margin-top:14px;font-size:10px;color:var(--muted)}.hub-memory p{width:100%;margin:0 0 4px;font-size:12px}.memory-clear{border:0;padding:0;background:transparent;color:var(--muted);text-decoration:underline;text-underline-offset:3px;font-size:10px;cursor:pointer}.desktop-nav{gap:22px}@media(max-width:1000px){.hub-hero{gap:32px}.hub-quick{gap:9px}.daily-card{padding:24px}.desktop-nav{gap:16px}}@media(max-width:720px){.hub-hero{grid-template-columns:1fr;padding:34px 0;gap:27px}.hub-intro h1{font-size:39px}.hub-quick{margin-top:27px;gap:13px}.hub-quick strong{font-size:11px}.daily-card{padding:22px 20px}.daily-card h2{font-size:23px}.hub-path{padding:30px 0}.hub-path-top{display:block}.hub-path-top>p{margin-top:10px}.hub-path h2{font-size:24px}.stage-options{gap:8px}.stage-options button{font-size:11px;padding:8px 12px}.stage-recommendation{display:block;padding:20px}.stage-recommendation .btn{margin-top:17px}.daily-bottom{font-size:10px}.hub-memory{font-size:10px}}
.about-page{padding:65px 0 75px}.about-heading{max-width:850px}.about-heading h1{font-size:clamp(32px,4vw,48px);line-height:1.4}.about-heading .sub{max-width:710px}.about-person{display:grid;grid-template-columns:200px 1fr;gap:48px;align-items:center;border-top:1px solid var(--line);padding-top:35px;margin-top:35px;max-width:900px}.about-person img{width:200px;aspect-ratio:4/5;object-fit:cover;border-radius:3px}.about-person h2{font-size:24px}.about-person p{font-size:14px;color:var(--muted);line-height:1.85}.about-signature{margin:22px 0 0;color:var(--ink)!important;font-weight:600}.about-signature span{font-size:11px;font-weight:400}.topbar .desktop-nav{gap:19px}.topbar .desktop-nav a{font-size:12px}@media(max-width:1000px){.topbar .desktop-nav{display:none}.topbar .mobile-nav{display:block}.topbar .nav{min-height:70px}.topbar .mobile-nav nav{top:70px}}@media(max-width:720px){.about-page{padding:38px 0 50px}.about-person{grid-template-columns:1fr;gap:24px;padding-top:28px;margin-top:28px}.about-person img{width:145px}.about-person h2{font-size:23px}.about-heading h1{font-size:33px}}

/* About: founder story, brand meaning and owner-provided activity archive. */
.about-person{align-items:start;max-width:960px;padding-top:40px;margin-top:42px}.about-person h2{line-height:1.55}.about-person .eyebrow{font-size:10px;letter-spacing:.18em;margin-bottom:12px}.about-person .about-real-name{font-size:14px;font-weight:500}.root-route{display:grid;grid-template-columns:1fr 1fr;gap:30px 55px;background:var(--cream);padding:36px 40px;margin:54px 0 0;max-width:960px}.root-route .eyebrow{margin-bottom:12px}.root-route h2{font-size:24px;margin-bottom:14px}.root-route p:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted);margin-bottom:0}.root-route .root-connection{grid-column:1/-1;padding-top:24px;border-top:1px solid #c8cfbe;color:var(--ink)!important}.journey{max-width:960px;padding:65px 0}.journey-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.journey-heading h2{font-size:38px;margin:0}.journey-heading .eyebrow{margin-bottom:12px}.journey-heading>p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.journey-list{list-style:none;margin:0 0 24px;padding:0;border-top:1px solid var(--line)}.journey-list li{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:23px 0;border-bottom:1px solid var(--line)}.journey-list time{font-size:16px;font-weight:600;letter-spacing:.04em;padding-top:3px}.journey-list h3{font-size:20px;margin:3px 0 8px}.journey-list p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.journey-list .journey-series{font-size:10px;text-transform:uppercase;letter-spacing:.13em}.journey-list .journey-guest{color:var(--ink);font-size:12px;margin-bottom:4px}.about-letter{max-width:960px;border-top:1px solid var(--line);padding-top:42px}.about-letter h2{font-size:30px;line-height:1.5}.about-letter>p:not(.eyebrow){max-width:670px;font-size:14px;line-height:1.9;color:var(--muted)}.about-letter .about-source{font-size:11px!important;margin-top:24px}@media(max-width:720px){.about-heading h1{font-size:30px}.about-person{margin-top:30px;padding-top:28px}.root-route{grid-template-columns:1fr;padding:26px 22px;gap:26px;margin-top:36px}.root-route .root-connection{grid-column:auto}.journey{padding:44px 0}.journey-heading{display:block}.journey-heading>p{margin-top:18px}.journey-heading h2{font-size:32px}.journey-list li{grid-template-columns:54px 1fr;gap:16px;padding:22px 0}.journey-list time{font-size:13px}.journey-list h3{font-size:18px;overflow-wrap:anywhere}.about-letter{padding-top:30px}.about-letter h2{font-size:27px}}

.about-page h1,.about-page h2,.about-page h3,.about-page p{word-break:keep-all;overflow-wrap:break-word}.journey-list li>div{min-width:0}

/* Embed the existing free tour without altering classroom Simulation files. */
.tour-frame{width:100%;height:clamp(440px,52vw,640px);border:1px solid #71846e;background:#18221c;overflow:hidden;border-radius:8px}.tour-frame iframe{width:100%;height:100%;display:block;border:0}.tour-footer{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:20px}.tour-footer .actions{margin:0}.tour-footer .note{color:#e2e7db;margin:0}@media(max-width:720px){.tour-frame{height:600px}.tour-footer{align-items:flex-start;flex-direction:column}.tour-footer .actions{flex-wrap:wrap}}